build: Check whether run_command() succeeded
build: Check whether run_command() succeeded

As per:
WARNING: You should add the boolean check kwarg to the run_command call.
         It currently defaults to false,
         but it will default to true in future releases of meson.
         See also: https://github.com/mesonbuild/meson/issues/9300

martinpitt/umockdev,martinpitt/umockdev,martinpitt/umockdev